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Amortization Expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]      
Amortization of Intangible Assets $ 94 $ 77 $ 93
Expected amortization expense for 2022 91    
Expected amortization expense for 2023 89    
Expected amortization expense for 2024 89    
Expected amortization expense for 2025 89    
Expected amortization expense for 2026 89    
Expected amortization expense thereafter 720    
Amortizable—Franchise agreements      
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]      
Amortization of Intangible Assets 67 67 67
Amortizable—License agreements      
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]      
Amortization of Intangible Assets 1 1 1
Amortizable—Customer relationships      
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]      
Amortization of Intangible Assets 22 5 19
Amortizable—Other      
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]      
Amortization of Intangible Assets $ 4 $ 4 $ 6